US Classics in the A. E. Seaman Mineral Museum

Michigan Technological University

Barite crystals (to 15 cm!) with calcite, Meikle Mine, Nevada John A. Jaszczak photo.	Barite crystals (10x12 cm) Meikle Mine, Nevada John A. Jaszczak photo.

DM19734-K Zincite crystals (to 2 cm) in calcite, Franklin, New Jersey This specimen was originally part of A. E. Seaman's lecture collection and was purchased from Ward and Howell in 1889. John A. Jaszczak photo.

Graphite spheres (1 cm) in calcite, E. W. Heinrich collection #9 Franklin Furnace, Sussex County, New Jersey John A. Jaszczak photo.

Bementite with calcite, Co-type specimen donated by G. A. Koenig. Original label reads, "from C.S. Bement, 1887". Franklin, New Jersey John A. Jaszczak photo.

Millerite crystals. Antwerp, New York John A. Jaszczak photo.